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AlekseyPX
3 years ago
9

Many and his friends were comparing how much each of them grew last year. many grew 4 inches. jeff grew 1 1/2' times that amount

. allison grew 4/4 as much. sarah 3/5 as much. put the students in order of how much they grew last year from greatest to least ?
Mathematics
2 answers:
7nadin3 [17]3 years ago
6 0
I placed them from least to greatest
Sarah- 3/5x4= 2.4 inch
Many- 4 inch
Allison 4/4=1 (as much) which mean the same as Many= 4 inch
Jeff 4 x 1 1/2=6 inch
lukranit [14]3 years ago
3 0
Jeff=6 inches
Allison=4 inches
Sarah=2.4 inches
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2 years ago
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Dmitriy789 [7]

The exponential regression equation is y = 172.21(0.99)ˣ and at x = 60 minutes y = 94.22 degree Fahrenheit and at x = 240 minutes y = 15.43 degree Fahrenheit.

<h3>What is correlation?</h3>

It is defined as the relation between two variables which is a quantitative type and gives an idea about the direction of these two variables.

\rm r = \dfrac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{{[n\sum x^2- (\sum x)^2]}}\sqrt{[n\sum y^2- (\sum y)^2]}}

We have data shown in the table:

We can find the exponential regression equation using the data shown.

\rm y = ab^x

After calculating from the data:

a = 172.21 and b = 0.99

\rm y = 172.21(0.99)^x

The correlation coefficient will be:

r = -0.99

The range will be all real numbers.

The domain will be y > 0

As we can see in the graph x ∈R and y>0

After an hour,

Plug x = 60 minutes in the exponential regression equation:

\rm y = 172.21(0.99)^{60}

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After 4 hours, plug x = 240

\rm y = 172.21(0.99)^{240}

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Similarly, we can find any data from the exponential regression equation.

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Learn more about the correlation here:

brainly.com/question/11705632

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2 years ago
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Vsevolod [243]

Answer:

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Step-by-step explanation:

Comment

If you were trying to get the area of a whole circle, you would use

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